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James P. Blackwell JR.
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Williamsport, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vacuum bag
Patent number
11,096,537
Issue date
Aug 24, 2021
Shop-Vac Corporation
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Wet/dry vacuum bag
Patent number
11,013,380
Issue date
May 25, 2021
Shop-Vac Corporation
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Wet/dry vacuum bag
Patent number
10,285,549
Issue date
May 14, 2019
Shop-Vac Corporation
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Vacuum bag
Patent number
10,165,919
Issue date
Jan 1, 2019
Shop-Vac Corporation
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Removable internal air diffuser
Patent number
9,107,549
Issue date
Aug 18, 2015
Shop-Vac Corporation
Robert L. Crevling
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
Information
Patent Application
WET/DRY VACUUM BAG
Publication number
20190216279
Publication date
Jul 18, 2019
SHOP-VAC CORPORATION
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
VACUUM BAG
Publication number
20190104902
Publication date
Apr 11, 2019
SHOP-VAC CORPORATION
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
VACUUM BAG
Publication number
20150342433
Publication date
Dec 3, 2015
SHOP-VAC CORPORATION
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
WET/DRY VACUUM BAG
Publication number
20150342432
Publication date
Dec 3, 2015
SHOP-VAC CORPORATION
James P. Blackwell
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Removable internal air diffuser
Publication number
20060179601
Publication date
Aug 17, 2006
SHOP-VAC CORPORATION
Robert L. Crevling
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...